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Finding the Fourth Proportional to 650,817.80, 975,189.90 and 482,856.20

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Solution

The fourth proportional to 650,817.80, 975,189.90 and 482,856.20 is: 723,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,817.80 : 975,189.90 = 482,856.20 : x
  2. Step 2: Convert to fraction form
    650,817.80/975,189.90 = 482,856.20/x
  3. Step 3: Cross multiply
    650,817.80x = 975,189.90 × 482,856.20
  4. Step 4: Simplify right side
    650,817.80x = 470,876,489,392.38
  5. Step 5: Solve for x
    x = 470,876,489,392.38/650,817.80
  6. Step 6: Final answer
    x = 723,515.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.